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      1 /* 	$NetBSD: xcvbusvar.h,v 1.2 2011/07/01 19:03:50 dyoung Exp $ */
      2 
      3 /*
      4  * Copyright (c) 2006 Jachym Holecek
      5  * All rights reserved.
      6  *
      7  * Written for DFC Design, s.r.o.
      8  *
      9  * Redistribution and use in source and binary forms, with or without
     10  * modification, are permitted provided that the following conditions
     11  * are met:
     12  *
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  *
     16  * 2. Redistributions in binary form must reproduce the above copyright
     17  *    notice, this list of conditions and the following disclaimer in the
     18  *    documentation and/or other materials provided with the distribution.
     19  *
     20  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     21  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     22  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     23  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     24  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     25  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     26  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     27  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     28  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     29  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     30  */
     31 
     32 #include <sys/cdefs.h>
     33 #include <sys/types.h>
     34 
     35 #include <sys/bus.h>
     36 
     37 #ifndef _VIRTEX_DEV_VIRTEXVAR_H_
     38 #define _VIRTEX_DEV_VIRTEXVAR_H_
     39 
     40 struct plb_attach_args;
     41 
     42 struct ll_dmac {
     43 	bus_space_tag_t 	dmac_iot;
     44 	bus_addr_t 		dmac_ctrl_addr; /* Control registers */
     45 	bus_addr_t 		dmac_stat_addr; /* Status register */
     46 	int 			dmac_chan; 	/* Channel number */
     47 };
     48 
     49 struct xcvbus_attach_args {
     50 	/* LocalLink ("llbus") DMA channels. */
     51 	struct ll_dmac 		*vaa_rx_dmac; 	/* Receive channel, if any */
     52 	struct ll_dmac 		*vaa_tx_dmac; 	/* Transmit channel, if any */
     53 
     54 	/* Generic portion, enough for DCR/PLB. */
     55 	const char 		*vaa_name; 	/* Device name */
     56 	bus_space_tag_t 	vaa_iot; 	/* Registers */
     57 	bus_addr_t 		vaa_addr;
     58 	bus_dma_tag_t 		vaa_dmat;
     59 	int 			vaa_intr; 	/* Device interrupt line */
     60 	int 			_vaa_is_dcr; 	/* XXX bst flag  */
     61 };
     62 
     63 void 	*ll_dmac_intr_establish(int, void(*)(void *), void *);
     64 void 	ll_dmac_intr_disestablish(int, void *);
     65 
     66 void 	virtex_autoconf(device_t, struct plb_attach_args *);
     67 
     68 int 	xcvbus_print(void *, const char *);
     69 int 	xcvbus_child_match(device_t, cfdata_t, void *);
     70 
     71 #endif /* _VIRTEX_DEV_VIRTEXVAR_H_ */
     72